digression

Noun
  1. A message that departs from the main subject (synset 106613037)
  2. A turning aside (of your course or attention or concern) (synset 100351206)
    "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal"
  3. Wandering from the main path of a journey (synset 100311027)

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